[Shapelib] Creating an Arc
Frank Warmerdam
warmerdam at pobox.com
Mon Jul 27 19:36:02 PDT 2009
Sling Blade wrote:
>
> You are correct that shapefiles cannot store curved arcs. The normal
> technique is to approximate them as polylines.
>
>
> What would be great would be to learn how to approximate an Arc with
> Polylines. Do you have any code showing how this is done?
>
> Regards
Sling,
There is some example code for converting arcs to polylines in:
http://svn.osgeo.org/gdal/trunk/gdal/ogr/ogrsf_frmts/oci/ogrocistroke.cpp
A lot depends on how your arcs are defined.
Best regards,
--
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I set the clouds in motion - turn up | Frank Warmerdam, warmerdam at pobox.com
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